How severe is CVE-2017-6430?

CVE-2017-6430 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-6430 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-6430?

CVE-2017-6430 affects Ettercap-project Ettercap. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-6430?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-6430 published?

CVE-2017-6430 was published on 2017-03-15 and last updated on 2026-06-17.

CVE-2017-6430

CVE-2017-6430 is a medium-severity vulnerability in Ettercap-project Ettercap with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Ettercap-project Ettercap
Published: 2017-03-15
Last modified: 2026-06-17

Description

The compile_tree function in ef_compiler.c in the Etterfilter utility in Ettercap 0.8.2 and earlier allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted filter.

Frequently asked questions

What is CVE-2017-6430?: The compile_tree function in ef_compiler.c in the Etterfilter utility in Ettercap 0.8.2 and earlier allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted filter.
How severe is CVE-2017-6430?: CVE-2017-6430 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-6430 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-6430?: CVE-2017-6430 affects Ettercap-project Ettercap. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-6430?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-6430 published?: CVE-2017-6430 was published on 2017-03-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ettercap-project:ettercap:*:*:*:*:*:*:*:*

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